Sewing machine bracket arm



FIG. 1 is a front perspective view of a sewing machine bracket armshowing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a right end view thereof.

The ornamental design for a sewing machine bracket arm, substantially asshown and described.